Home / 126,110.85-174,027.68-68,748.93

Finding the Fourth Proportional to 126,110.85, 174,027.68 and 68,748.93

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Solution

The fourth proportional to 126,110.85, 174,027.68 and 68,748.93 is: 94,870.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,110.85 : 174,027.68 = 68,748.93 : x
  2. Step 2: Convert to fraction form
    126,110.85/174,027.68 = 68,748.93/x
  3. Step 3: Cross multiply
    126,110.85x = 174,027.68 × 68,748.93
  4. Step 4: Simplify right side
    126,110.85x = 11,964,216,446.64
  5. Step 5: Solve for x
    x = 11,964,216,446.64/126,110.85
  6. Step 6: Final answer
    x = 94,870.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.